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add sprout::log10, log2, log1p

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bolero-MURAKAMI 2012-05-04 18:02:42 +09:00
parent 29a55bf31d
commit 6baf082234
6 changed files with 167 additions and 1 deletions
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3
sprout/math/log.hpp
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@ -53,7 +53,8 @@ namespace sprout {
inline SPROUT_CONSTEXPR FloatType
log(FloatType x) {
typedef double type;
return !(x > 0) ? -std::numeric_limits<FloatType>::infinity()
return x == 0 ? std::numeric_limits<FloatType>::quiet_NaN()
: !(x > 0) ? -std::numeric_limits<FloatType>::infinity()
: static_cast<FloatType>(sprout::math::detail::log_impl(x))
;
}